America's Got Talent Season 11 winner Grace Vanderwaal performs at Ramapo High School in Franklin Lakes, NJ on Sunday. America's Got Talent Season 11 winner Grace Vanderwaal performed a special concert at Ramapo High School in Franklin Lakes, NJ on Sunday. Proceeds from the event benefited the Valley Hospital Auxiliary's pledge to support Valley's Child and Adolescent Mental Health Program & Valley Home Care's Butterflies Endowment. 05/21/2017